From cb533ee56e22ec657437b5672be54a40870cd757 Mon Sep 17 00:00:00 2001 From: daniel watson Date: Sat, 24 Jun 2017 22:44:12 -0700 Subject: [PATCH] make motor assembly checklist for 2017 june videos --- mechanical-checklist.org | 232 ++++++++++++++++++--------------------- 1 file changed, 105 insertions(+), 127 deletions(-) diff --git a/mechanical-checklist.org b/mechanical-checklist.org index 81df261..e833665 100644 --- a/mechanical-checklist.org +++ b/mechanical-checklist.org @@ -1,3 +1,90 @@ +* check for all bags +* make motor assemblies + - [ ] put motor mount on right motor + - [ ] assemble right motor mount + - [ ] locate materials from bag 0a + - [ ] 1x motor with wires + - [ ] 1x motor mount + - [ ] 2x 4-40x1 inch bolt + - [ ] 2x 4-40 lock nut + - [ ] locate tools + - [ ] magnetic tray + - [ ] 1x socket wrench + - [ ] 1x 1/4 inch socket + - [ ] 1x stub screw driver + - [ ] 5/64 allen wrench (from bag 0a) + - [ ] pour bag 0a into magnetic tray + - [ ] attach "motor to motor mount" + - [ ] watch "0a motor to motor mount" + - [ ] orient motor to face motor outline on motor mount, + with motor shaft going through mount face's mouth, and + motor nub going into mount face's nose + - [ ] put 4-40 bolt through right eye of motor mount face, + then into motor, so head of bolt sits on motor mount + - [ ] finger tighten 4-40 locking nut onto 4-40 bolt, + put shiny side down, so nylon part of nut is still visible + - [ ] repeat for left eye + - [ ] after placing a bolt through each eye, tighten nuts onto both + bolts with socket wrench and screw driver + - [ ] put angle brackets on motor mount + - [ ] locate materials from bag 0a poured into magnetic tray + - [ ] 2x angle bracket + - [ ] 2x 6-32x3/8 inch bolt + - [ ] locate tools + - [ ] magnetic tray + - [ ] 5/64 inch hex wrench + - [ ] watch "0a angle brackets to motor mount" + - [ ] place angle bracket on same side of motor mount as motor, and + angle it to go over the motor and not over the motor mount + - [ ] put 6-32 bolt through hole on motor mount into angle bracket + - [ ] use long arm of hex wrench to spin bolt while bringing angle + bracket's hole closer to the bolt. eventually, the bolt will + catch on the angle bracket hole and pull it in. tighten only a + few turns. the angle bracket will be completly tightened later. + - [ ] put wheels on motors + - [ ] locate materials from bag 0a poured into magnetic tray + - [ ] 1x 2-20x3/8 screw + - [ ] 1x wheel + - [ ] 1x hair tie + - [ ] locate tools + - [ ] magnetic tray + - [ ] stub philip's head screw driver + - [ ] watch "0a wheel to motor" + - [ ] put hair tie on wheel, it will act as a tire and provide grip + - [ ] put wheel on motor shaft + - [ ] use stub philips screw driver to tighten 2-20 + screw into wheel shaft. + push wheel firmly into motor shaft while tightening. + - [ ] repeat for left motor, with bag 0b instead of 0a + - [ ] motor to motor mount + - [ ] angle brackets to motor mount + - [ ] wheel to motor +* make sonar assemblies + - [ ] locate materials + - [ ] 2x sonar + - [ ] 2x sonar holder + - [ ] 2x 6-32 lock nut + - [ ] 2x 6-32x5/8 inch bolt + - [ ] 2x #6 washer + - [ ] locate tools + - [ ] magnetic tray + - [ ] socket wrench + - [ ] 5/16 inch socket + - [ ] 5/64 hex wrench + - [ ] attach binder clip arm to sonar holder + - [ ] fold binder clip arms back as if to open binder clip + - [ ] put #6 washer on 6-32x5/8 inch bolt + - [ ] put bolt through binder clip arm from the inside out + so bolt head will be between opened binder clip arms + - [ ] put sonar holder onto 6-32 bolt + - [ ] finger tighten 6-32 bolt with shiny side toward bolt head + - [ ] use socket, socket wrench and hex wrench to tighten + - [ ] repeat for other sonar holder + - [ ] attach sonars to deck + - [ ] attach sonar holders to deck by clamping binder clip to the deck + - [ ] put a sonar into left holder with sonar cans facing down, + and pins facing right, toward robot center + - [ ] repeat for other sonar, but face pins left, toward robot center * attach arduino to deck - [ ] locate materials - [ ] 1x arduino @@ -20,61 +107,29 @@ - [ ] put arduino on top and tighten all but bottom right bolt - [ ] hold locking nut with pliers, shiny side toward arduino, while tightening last bolt into it. -* make sonar cables - - [ ] locate materials - - [ ] 2x 220mm red stiff wire, solid core 22 awg - - [ ] 2x 220mm blue stiff wire, solid core 22 awg - - [ ] 2x 220mm yellow stiff wire, solid core 22 awg - - [ ] 2x 220mm black stiff wire, solid core 22 awg - - [ ] 4x zip tie - - [ ] 8x terminal - - [ ] 2x white housing, 4 positions - - [ ] locate tools - - [ ] magnetic tray - - [ ] 1x crimper - - [ ] 1x wire stripper - - [ ] 1x wire cutter (or reuse wire stripper) - - [ ] prepare wires - - [ ] strip 1 end of all 8 wires by about 3mm (3/16 inch). - the terminal will crimp onto this end - - [ ] crimp terminals onto exposed end of wires - - [ ] strip other end of all 8 wires by about 2cm (1/2 inch). - this end will plug into the breadboard or arduino header - - [ ] finish cables - - [ ] put crimped ends into housing in the order: - black, yellow, blue, red - such that the probe points face towards the arduino on - the finished robot. - - [ ] put 2 zip ties about 2 cm down from the white housing. - this will spread any pulling stress across all terminals. - - [ ] repeat process to make the other sonar cable, - with wire colors in the same order as the first -* make sonar assemblies +* attach caster to deck - [ ] locate materials - - [ ] 2x sonar - - [ ] 2x sonar holder - - [ ] 2x 6-32 lock nut - - [ ] 2x 6-32x5/8 inch bolt - - [ ] 2x #6 washer + - [ ] 3x 6-32x5/8 inch bolt + - [ ] 3x 6-32 lock nut + - [ ] 3x #6 washer + - [ ] caster holder + - [ ] caster ball - [ ] locate tools - [ ] magnetic tray - [ ] socket wrench - [ ] 5/16 inch socket - - [ ] 5/64 hex wrench - - [ ] attach binder clip arm to sonar holder - - [ ] fold binder clip arms back as if to open binder clip - - [ ] put #6 washer on 6-32x5/8 inch bolt - - [ ] put bolt through binder clip arm from the inside out - so bolt head will be between opened binder clip arms - - [ ] put sonar holder onto 6-32 bolt - - [ ] finger tighten 6-32 bolt with shiny side toward bolt head - - [ ] use socket, socket wrench and hex wrench to tighten - - [ ] repeat for other sonar holder - - [ ] attach sonars to deck - - [ ] attach sonar holders to deck by clamping binder clip to the deck - - [ ] put a sonar into left holder with sonar cans facing down, - and pins facing right, toward robot center - - [ ] repeat for other sonar, but face pins left, toward robot center + - [ ] 5/64 inch hex wrench + - [ ] attach first bolt + - [ ] put #6 washer on 6-32 bolt + - [ ] put bolt through hole 4,1 on deck grid from top + - [ ] bring middle hole of caster holder towards that bolt + - [ ] finger tighten a locking nut onto the bolt + it will be tightened more after getting all the bolts through the + caster holder + - [ ] put a washer on another bolt, put that bolt through hole + 4,2 on deck and finger tighten nut to it + - [ ] do the same through hole 5,1 + - [ ] use socket, socket wrench and hex wrench to tighten all 3 bolts * attach wires to motor - [ ] locate materials - [ ] 2x motor @@ -192,60 +247,6 @@ switch. - [ ] use short stub screw driver to guide battery pack so battery screw hole lines up with grid hole 6, 1 -* make motor assembly - - [ ] put motor mounts on motors - - [ ] locate materials - - [ ] 2x motor - - [ ] 2x motor mount - - [ ] 4x 4-40x1 inch bolt - - [ ] 4x 4-40 lock nut - - [ ] locate tools - - [ ] magnetic tray - - [ ] 1x socket wrench - - [ ] 1x 1/4 inch socket - - [ ] 1x stub screw driver - - [ ] attach motor mount to left motor - - [ ] orient motor mount so that motor nub goes through motor - mount nose, and angle bracket holes are off to left when - looking at motor mount face upright in front of motor - - [ ] put 4-40 bolt through left eye of motor mount face, - then into motor - - [ ] finger tighten 4-40 locking nut onto 4-40 bolt, - put shiny side down, so nylon part of nut is still visible - - [ ] repeat for right eye - - [ ] tighten both bolts with socket wrench and screw driver, - but only after both bolts are through their holes - - [ ] repeat for right motor, but this time, angle bracket holes - will go off to the right when looking at upright motor mount face. - - [ ] put angle brackets on motor mounts - - [ ] locate materials - - [ ] 4x angle bracket - - [ ] 4x 6-32x3/8 inch bolt - - [ ] locate tools - - [ ] magnetic tray - - [ ] 5/64 inch hex wrench - - [ ] face left motor's mount face upright, angle bracket holes on left - - [ ] put 6-32 bolt through upper hole on motor mount - - [ ] bring angle bracket toward bolt from side of motor mount that - has the motor, and nuts on the 4-40 bolts - - [ ] use long arm of hex wrench to spin bolt while bringing angle - bracket's hole closer to the bolt. eventually, the bolt will - catch on the angle bracket hole and pull it in. tighten only a - few turns. the angle bracket will be completly tightened later. - - [ ] put wheels on motors - - [ ] locate materials - - [ ] 2x 2-20x3/8 screw - - [ ] 2x wheel - - [ ] 2x hair tie - - [ ] locate tools - - [ ] magnetic tray - - [ ] stub philip's head screw driver - - [ ] put hair ties on both wheel, it will act as a tire and provide grip - - [ ] put wheel on motor shaft - - [ ] use stub philips screw driver to tighten 2-20 - screw into wheel shaft. - push wheel firmly into motor shaft while tightening. - - [ ] repeat for other wheel * attach motor assembly to deck - [ ] make motor assemblies - [ ] locate materials @@ -273,26 +274,3 @@ pushing out gives the wheel room to spin without rubbing the deck. - [ ] repeat this process with right motor assembly and holes 8,5 and 8,6. -* attach caster to deck - - [ ] locate materials - - [ ] 3x 6-32x5/8 inch bolt - - [ ] 3x 6-32 lock nut - - [ ] 3x #6 washer - - [ ] caster holder - - [ ] caster ball - - [ ] locate tools - - [ ] magnetic tray - - [ ] socket wrench - - [ ] 5/16 inch socket - - [ ] 5/64 inch hex wrench - - [ ] attach first bolt - - [ ] put #6 washer on 6-32 bolt - - [ ] put bolt through hole 4,1 on deck grid from top - - [ ] bring middle hole of caster holder towards that bolt - - [ ] finger tighten a locking nut onto the bolt - it will be tightened more after getting all the bolts through the - caster holder - - [ ] put a washer on another bolt, put that bolt through hole - 4,2 on deck and finger tighten nut to it - - [ ] do the same through hole 5,1 - - [ ] use socket, socket wrench and hex wrench to tighten all 3 bolts -- 2.30.2